We architect and implement custom blockchain infrastructure from the ground up. Our team delivers production-ready protocols with sub-second finality and gas-optimized execution. We specialize in EVM-compatible L2s, app-chains, and bespoke consensus mechanisms.
LABS
Services
Bitcoin-to-EVM Atomic Swap Protocol Development
We design and build cryptographically secure, non-custodial atomic swap protocols enabling direct peer-to-peer exchange between Bitcoin and EVM assets, eliminating central bridge risks.
Chainscore © 2026
overview
PROTOCOL ENGINEERING
Custom Blockchain Development
Build secure, high-performance blockchain protocols and L2 solutions tailored to your specific use case.
- L2 Rollup Development: ZK and Optimistic rollups built with
Arbitrum Nitro,OP Stack, orzkSynctooling. - App-Specific Chains: Sovereign execution environments for DeFi, gaming, or enterprise with custom fee markets.
- Consensus & Security: Implementation of
Tendermint,HotStuff, or custom BFT algorithms with formal verification.
Deploy a fully-audited, mainnet-ready chain in 8-12 weeks, not quarters. We handle node orchestration, cross-chain bridging, and explorer integration so you can focus on your dApp.
key-features-cards
END-TO-END DEVELOPMENT
Core Protocol Capabilities We Deliver
We architect and deploy secure, production-ready atomic swap protocols that bridge Bitcoin and EVM ecosystems, enabling seamless cross-chain liquidity and value transfer.
03
Gas-Optimized EVM Smart Contracts
We build custom Solidity contracts for the receiving chain (Ethereum, Polygon, Arbitrum) with gas-efficient verification logic, reducing user costs for swap finalization and dispute resolution.
04
Secure Relayer & Watchtower Infrastructure
We deploy a decentralized network of relayers to broadcast transactions and proprietary watchtower services to monitor for expired swaps, protecting user funds 24/7 without requiring constant online presence.
05
Protocol Security & Formal Verification
Every protocol undergoes rigorous audits, including formal verification of HTLC logic and economic security modeling, to protect against front-running, griefing, and timing attacks.
06
Liquidity Provider & SDK Tooling
We provide a full suite of developer tools, including TypeScript/Go SDKs for integration and management dashboards for liquidity providers to monitor positions and earnings.
benefits
TANGIBLE RESULTS
Business Outcomes of a Non-Custodial Swap Protocol
Our Bitcoin-to-EVM atomic swap protocol development delivers measurable advantages, from immediate revenue generation to long-term strategic positioning. Here’s what you can expect.
01
New Revenue Streams
Capture fees on every cross-chain swap. Our protocol architecture enables configurable fee structures for liquidity providers and protocol governance, creating a sustainable, on-chain revenue model from day one.
0.1% - 0.5%
Configurable Swap Fee
Immediate
Revenue On Launch
02
Enhanced User Trust & Retention
Non-custodial, trustless swaps eliminate counterparty risk. Users retain control of their keys, building confidence and driving higher transaction volumes and repeat usage for your platform.
100%
User-Fund Security
0
Custodial Liability
03
Reduced Operational Complexity
Eliminate the overhead of managing centralized bridges or OTC desks. Our automated, smart contract-based system handles settlement, verification, and dispute resolution without manual intervention.
~90%
Ops Cost Reduction
24/7
Automated Settlement
04
Faster Time-to-Market
Leverage our battle-tested, modular protocol framework. We deliver a production-ready, audited swap protocol tailored to your tokenomics, accelerating your launch by months.
4-8 weeks
From Spec to Mainnet
2+ Audits
Security Standard
05
Competitive Market Differentiation
Offer a seamless, native Bitcoin-to-EVM experience that centralized exchanges and wrapped asset bridges cannot match. Attract sophisticated users seeking true decentralization and self-custody.
Key Feature
For DeFi Power Users
< 10 min
Typical Swap Time
06
Future-Proof Architecture
Built with extensibility for new EVM chains and Bitcoin layers (Lightning, Rootstock). Our protocol design ensures your infrastructure scales with the evolving multi-chain ecosystem.
Modular
Chain Integration
Forward-Compatible
Design
Technical & Operational Comparison
Atomic Swaps vs. Traditional Bridging Solutions
A direct comparison of the key technical, security, and operational differences between native atomic swap protocols and conventional bridging solutions for cross-chain asset transfers.
| Comparison Factor | Atomic Swap Protocol | Traditional Bridge |
|---|---|---|
Trust Model | Trustless (P2P) | Custodial or Federated |
Security Surface | Smart Contract Logic Only | Bridge Validators + Multi-sig |
Settlement Finality | Atomic (Instant & Guaranteed) | Probabilistic (Delayed) |
Counterparty Risk | None | High (Bridge Operator Risk) |
Development Complexity | High (Cryptographic Integration) | Medium (API Integration) |
Typical Time-to-Market | 8-12 Weeks | 4-6 Weeks |
Ongoing Operational Cost | Low (Gas Fees Only) | High (Validator Incentives) |
Regulatory & Compliance Overhead | Lower (Non-Custodial) | Higher (Custodial Liabilities) |
Ideal Use Case | High-Value, Direct P2P Swaps | High-Volume, User-Friendly Transfers |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A structured, security-first approach to deliver a production-ready Bitcoin-to-EVM atomic swap protocol, ensuring rapid deployment and enterprise-grade reliability.
01
Architecture & Protocol Design
We design the HTLC (Hashed Timelock Contract) architecture, selecting optimal Bitcoin script patterns (P2WSH) and EVM-compatible smart contract frameworks for secure, non-custodial swaps.
2-3 weeks
Design Phase
Zero Trust
Architecture Model
02
Smart Contract Development & Auditing
Development of audited Solidity/Vyper contracts for the EVM side and Bitcoin Script for the legacy chain, followed by rigorous security reviews with firms like CertiK or OpenZeppelin.
2 Audits
Minimum
OpenZeppelin
Libraries Used
03
Relayer & Watchtower Infrastructure
Deployment of high-availability relay services and watchtower nodes to monitor swap states, broadcast transactions, and ensure protocol liveness without requiring user online presence.
99.9% SLA
Uptime
< 2 sec
Event Detection
05
Testing & Simulation
End-to-end testing on Bitcoin testnet and EVM testnets (Sepolia), including edge-case simulations for timeout scenarios, fee fluctuations, and chain reorganizations.
500+
Test Cases
Mainnet-like
Environment
06
Deployment & Ongoing Support
Managed deployment to mainnet with monitoring dashboards, alerting, and optional 24/7 devops support. We ensure your swap protocol scales with user demand.
4-6 weeks
Total Timeline
SLA Support
Available
From MVP to Production-Ready
Typical Project Timeline & Deliverables
A clear breakdown of our phased development approach for Bitcoin-to-EVM atomic swap protocols, outlining key milestones, deliverables, and estimated timelines.
| Phase & Key Deliverables | Timeline | Starter | Professional | Enterprise |
|---|---|---|---|---|
Phase 1: Architecture & Smart Contracts | 2-3 weeks | |||
• HTLC & Swap Contract Design | ||||
• Multi-Sig & Escrow Logic | ||||
• Initial Security Review | Basic | Full Report | Full Report + Fixes | |
Phase 2: Backend & Relayer Service | 3-4 weeks | Limited | ||
• Bitcoin/EVM Node Integration | Self-hosted | Managed | Managed HA | |
• Transaction Monitoring Engine | ||||
• Relayer for Gasless Swaps | ||||
Phase 3: Frontend & API | 2-3 weeks | Basic UI | Custom UI + SDK | White-label UI + Full API |
• Swap Interface / Widget | Template | Custom Branded | White-label | |
• Developer SDK & Documentation | ||||
• Admin Dashboard | Basic | Advanced Analytics | ||
Phase 4: Deployment & Security | 1-2 weeks | Self-serve | ||
• Mainnet Deployment Support | ||||
• Final Security Audit | Optional Add-on | Included (2 Firms) | ||
• Post-Launch Monitoring (30 days) | ||||
Ongoing Support & Maintenance | Post-Launch | Community | Business Hours | 24/7 SLA |
• Response Time SLA | N/A | < 8 Business Hours | < 1 Hour | |
• Protocol Upgrades & Patches | Self-managed | Assisted | Fully Managed | |
Estimated Total Timeline | 5-7 weeks | 8-12 weeks | 10-14 weeks | |
Typical Project Investment | $45K - $75K | $90K - $150K | $200K+ |
Technical & Commercial Insights
Frequently Asked Questions on Atomic Swap Development
Get clear, specific answers to the most common questions CTOs and founders ask when evaluating a Bitcoin-to-EVM atomic swap development partner.
A standard, production-ready atomic swap protocol with core functionality (HTLCs, wallet integration, basic UI) typically deploys in 2-4 weeks. Complex implementations with multi-chain support, advanced liquidity management, or custom governance features can extend to 6-8 weeks. We provide a detailed project plan with weekly milestones after the initial scoping session.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall